July 10, 2015 5:00 pm Police Probe 2 Killings Police are trying to determine if two killings, one near Otay Mesa and the other in Chula Vista, were connected. NBC 7’s Rory Devine reports. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks